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安全速率下的多入多出中继系统天线选择算法 被引量：2

Antenna Selection Algorithm Based on Secrecy Rate for MIMO Relay System
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摘要 考虑多入多出(MIMO)中继系统安全速率的问题,提出了一种低复杂度的最大化安全速率的天线选择算法。该算法考虑了较为实际的中继节点接收和发送天线可以不同的情况,根据最大化安全速率的闭式表达式,推导了一种低复杂度的简化表达式,并在中继节点逐步选取使得系统安全速率最大的接收—发送天线对。仿真结果表明,该算法的系统安全速率性能接近穷举算法。 Considering how to improve wireless security for multiple-input multiple-output （MIMO） relay system, a low-complexity maximize secrecy rate antenna selection algorithm is proposed in this paper. Taking actual situation which receive antenna and transmit antenna at the relay may be differ- ent into account, the proposed algorithm selects the receive-transmit antenna pairs according to the simplified expression which is derived by the closed- form expression of secrecy rate when one more receive-transmit antenna pair is added. The proposed scheme approaches the optimal algorithm with secre- cy rate which is demonstrated by simulation results.
作者 凡新雷 李莉 张静 陈德志 苗萌 罗汉文
机构地区 上海师范大学信息与机电工程学院 皖西学院机械与电子工程学院 上海交通大学电子工程系
出处 《电视技术》 北大核心 2014年第9期103-106,115,共5页 Video Engineering
基金 国家自然科学基金(青年基金)项目(61101209) 上海市自然科学基金项目(11ZR1426600) 上海师范大学重点学科资助项目(DZL126)
关键词 多入多出 安全速率 天线选择 MIMO secrecy rate antenna selection
分类号 TN929.5 [电子电信—通信与信息系统]
  • 相关文献

参考文献11

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二级参考文献6

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同被引文献14

  • 1Cui HX, Wei G, Zhang H, et al. Utility-optimal cross-layer resource allocation in distributed wireless cooperative networks [J]. International Journal of Communication Systems, 2014, 27 (2), 277-288.
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  • 9冯慧斌,翁鲲鹏,余根坚.基于Stackbelberg博弈的认知无线网络速率控制模型[J].计算机工程与应用,2013,49(11):66-71. 被引量：4
  • 10赵宇韬,李广军,林水生,郑植.改进的SC-FDE块迭代判决反馈均衡器[J].电视技术,2013,37(15):148-151. 被引量：4

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电视技术
2014年 第9期

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